Space
Planet Nine might be an exoplanet stolen by the sun
The hypothetical ninth planet at the fringes of our solar system might have been captured from a star passing by long ago
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Space
Lasers could hide Earth from aliens 鈥� or tell them we’re here
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Physics
Long-term view of extreme cosmic burst challenges astronomers
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Physics
Our galaxy’s impossible collision could break gravity
Features
Space
Japanese Hitomi satellite falls silent after taking a tumble
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Physics
Lost Japanese satellite Hitomi shows unexpected signs of life
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Space
Ceres surprises with water ice and colourful bright spots
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Physics
Pluto may have hosted lakes and rivers of liquid nitrogen
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Space
Repeating cosmic radio blast adds mystery to their origins
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Physics
Cosmic radio blast result called into question within days
Last week a team claimed to have traced a fast radio burst to its source for the first time, but new observations this weekend call the result into question
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Physics
Source of cosmic radio blast tracked down for the first time
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Space
Planet Nine hunters enlist big bang telescopes and Saturn probe
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Physics
Four big cosmology secrets gravitational waves could uncover
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Space
How Do You Find an Exoplanet? An insider account gives top tips
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